e/Chamber reamer

Information
has gloss	eng: A chamber reamer is a specific type of fluted reamer used by gunsmiths and firearms manufacturers to cut the chamber of a handgun, rifle, or shotgun. The chamber reamer is inserted into the bore of a barrel and held stationary while the barrel is turned around it (typically by means of a lathe). The reamer slowly cuts away material, leaving a chamber capable of accepting a specific cartridge.
lexicalization	eng: chamber reamer
instance of	c/Metalworking cutting tools